Curiously, Perl Monks was developed by students in a town founded by Dutch Calvinist separatists ...
or as LanX once put it:
Separatist Calvinists founded a Monastery with Popes :)
In case they are of use, some more pseudo-religious titles that are not currently used here AFAICT:
- Lay Preacher
Some female titles:
- High Priestess
- Woman of the Cloth